The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 01, 2014
Filed:
Nov. 24, 2008
Applicants:
Chiewcharn Narathong, Laguna Niguel, CA (US);
Wenjun Su, San Diego, CA (US);
Inventors:
Chiewcharn Narathong, Laguna Niguel, CA (US);
Wenjun Su, San Diego, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Exemplary embodiment are directed to preserving transmitter linearity in RF transceivers while reducing RX band noise for use with low-power voltage supplies. In one aspect, a programmable attenuation element may be provided on-chip at the output of a driver amplifier, prior to a matching network. In another aspect, the programmable attenuation element may include a plurality of switchable capacitors.